While Earth locks much of its carbon in its crust as carbonates, Venus retains a comparable carbon inventory almost entirely in its atmosphere as CO2.
greenhouse
Posted inAtmospheres, Climate, Weather, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report
Toward Alternative Earths’ Habitability of Solar System Bodies at Earth’s Orbit
This paper presents the first structured evaluation of Solar System bodies hypothetically relocated to Earth orbit (1 AU) to assess their potential as alternative habitats.
Posted inHabitable Zones
Runaway Greenhouse Radius Inflation Effect
Planets similar to Earth – but slightly more irradiated – are expected to enter into a runaway greenhouse state, where all surface water rapidly evaporates, forming an optically thick H2O-dominated […]
Posted inMars
Unusual Greenhouse Gases – Raising Ancient Martian Temperature?
Much like the Grand Canyon, Nanedi Valles snakes across the Martian surface suggesting that liquid water once crossed the landscape, according to a team of researchers who believe that molecular […]
Posted inExoplanets, -moons, -comets, Habitable Zones
Runaway Greenhouse Effect on Exomoons Due to Irradiation From Hot, Young Giant Planets
The Kepler space telescope has detected transits of objects as small as the Earth’s Moon, and moons as small as 0.2 Earth masses can be detected in the Kepler data […]
Posted inHabitable Zones
Planetary Runaway Greenhouse More Easily Triggered
It might be easier than previously thought for a planet to overheat into the scorchingly uninhabitable “runaway greenhouse” stage, according to new research by astronomers at the University of Washington […]
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Exploration Gear & Tech, Plant Biology, Space Agriculture, Status Report
Arthur Clarke Mars Greenhouse Crops Continue to Thrive on Devon Island
Three weeks after the last humans departed from NASA Haughton-Mars Project Base Camp on Devon Island, the Arthur Clarke Mars Greenhouse continues to operate – by itself. Its operations are […]
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Exploration Gear & Tech, Plant Biology, Space Agriculture, Status Report
Arthur Clarke Mars Greenhouse Grows First Crop on Devon Island
Two weeks after the last humans departed from NASA Haughton Mars Project Base Camp on Devon Island, the Arthur Clarke Mars Greenhouse continues to operate – by itself. Its operations […]
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Exploration Gear & Tech, Life Support Systems, Plant Biology, Space Agriculture, Status Report
Arthur Clarke Mars Greenhouse Frequently Asked Questions
In July 2002 SpaceRef Interactive installed a greenhouse (the Arthur Clarke Mars Greenhouse) on Devon Island as a contribution to the NASA-SETI Institute Haughton Mars Project (HMP). The greenhouse is […]